The newegg version comes with the GPS module. The ebay version doesn't. So if anything, today, the newegg version is equal to the deal from last week, the $15 difference is made up by the GPS module.

edit:
I may be wrong on that, it looks like the wording is different on both pages but it means the same thing. The cameras support GPS if you get the module. After reviewing the review videos, "...has a GPS used to log position and speed. It's now integrated into an optional $10 mount."

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